A randomized 25 question test from a pool of 761 questions, good luck!
IPv4 network classes can also be defined by the default subnet masks that they use. If the subnet mask was 255.255.0.0, which of the classes below would be used?
Which of the terms below best describes the electromagnetic noise that corrupts transmitted wave forms with echoes of itself?
A modern DCS needs to be able to respond to growing demands. Which of the terms below is best defined as the measure of a system's ability to increase or decrease in performance and cost in response to changes in application and system processing demands.
In IPv4, which of the protocols below has the additions of delivery acknowledgement and fragmentation/defragmentation?
IPv4 network classes can also be defined by the IP address they use. Which of the answers corresponds best to the address in row "E"?
One of the layers of the OSI manages access to be able to transmit data. Which of the answers below represents that layer?
Which of the answers below is not a parameter of the H1 transmission system resource block?
The data link layer of the OSI manages access to be able to transmit data. Which of the answers below represents a all typical access method?
Communication technology is generally specific to a type of area network. Which of the area networks below would IDSN and DSL be used primarily?
IPv4 network classes can also be defined by the IP address they use. Which of the answers corresponds best to the address in row "F"?
The heart of a DCS is considered the PLC and it's five main programming languages. Which of the programming languages would be described as mimicking the components of the hardware of an analog control in self-contained blocks of code?
Which answer below best represents the composition of an H1 transmission system terminator?
Which answer below is best described as the RS-485 standard for voltage range to transmit a "Space"?
Digital signals are, either specific or transitory, voltage levels represent states of logic. Which of the signal encoding methods below uses the conversion of dc voltage levels to ac to represent logic states?
The various DCS networks are vital to any plant or process operating smoothly. Which of the networks below must faster and more reliable than any of the others?
In the protocol specifications of Modbus, there are 5 and 6 digit addresses, each address starting with a specific number for the register type. Which number below starts the holding registers addresses?
In Modbus, data is read, and written in various memory ranges. Which of the answers below best represents the data type that a coils would use?
HMI networks are needed to expand or contract as required over their lifetime of use. Which of the networking types below will solve scalability, but is still limited because of multiple DA servers and duplication of information requiring an overuse of bandwidth?
There are several advantages to multidrop communication. Which of the answers below best represents one that is not one of those advantages?
The standard recommended by ISA-18.2 is for 3-4 priority level alarms to be used. Which of the alarm priority levels below can best be described as the movement of process conditions from normal to upset, requiring operator action at some point in the future?
There are several types of converters. Which one of the answers below is best known as a "Repeater"?
Digital signals are, either specific or transitory, voltage levels represent states of logic. Which of the signal encoding methods below uses voltage transitions to represent logic states?
Which of the cable types below would be best associated with the term "clamshell connector?
Baseband NRZ signalling is the standard for all physical connections with Ethernet. Which of the signalling methods below has the disadvantage of losing the clock signal when spaces are transmitted for an extended series?
Ethernet network components provide several ISO layers of transmission control. Which of the network components below has transmission controls only on the ISO physical layer?